[time-nuts] Affordable (cheap) COTS / eBay kit for TIE / 1PPS phase comparison

[Magnus Danielson]

Wojciech,

On 23/01/14 14:46, Wojciech Owczarek wrote:
> Thanks for your suggestions so far everyone,
>
> The picPET would be a great solution if it could run at higher frequencies
> - but now there's a separate thread about that :)
>
> Magnus - my reference is a Brilliant Telecom (now Juniper Networks TCA
> series) PTP grandmaster (TCA8000), which does PTP and has
> E1/T1/BITS/frequency outputs. Internally it uses a Trimble Resolution T
> board for GPS/PPS. I think it could run Rubidium if I replaced the OCXO
> with a SpectraTime LPFRS.

Doesn't sound like a bad start.

> I'm familiar with Stable32 and I have a basic understanding of frequency
> stability / phase noise measurement concepts, but for the most part I will
> be simply looking at realtime phase offset measurement to test filtering
> and PI servo optimisations.

Ah, yes. Then you are off to a good start. Timelab will serve you well then.

You might enjoy Stefano Breggni:s book in that case.

Cheers,
Magnus